| Okay, odor and sight.  Still sounds like an instinctual reaction and lack of socialization with other cats.  She doesn't need to "know" what other cats look or smell like she's hardwired to "know'. 
				__________________'He who receives an idea from me, receives instruction himself without lessening mine; as he who lights his taper at mine, receives light without darkening me.' 
-TJ
   |